Optical member having antireflection film thereon

Details Optical member having antireflection film thereon Optical member having antireflection film thereon

1997-06-20

1999-07-06

Spyrou, Cassandra

Optical: systems and elements

Light interference

Produced by coating or lamina

359580, 359581, G02B 110

Patent

active

059204311

ABSTRACT:
An optical member includes a synthetic resin substrate: and an antireflection film including at least a mixture film composed of tantalum oxide (Ta.sub.2 O.sub.5) and titanium oxide (TiO.sub.2), and a film having a refractive index lower than that of the mixture film. The antireflection film is coated on the synthetic resin substrate.

REFERENCES:
patent: 4940636 (1990-07-01), Brock et al.
patent: 5460888 (1995-10-01), Hashimoto et al.

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